I agree with the other posters - temperature and humidity have nothing to do with calorie burn. Speed doesn't have a big impact either - it is total distance covered that is the major factor.
In terms of hills, there is roughly an 8:1 ratio in terms of climbing. So 100 vertical feet would represent an additional 800 feet (or 0.15 miles) on the horizontal, in terms of effort. mapmywalk.com has a feature that allows you to track elevation changes.
Fitness Minutes: (48,364)
3,128 7/19/12 7:42 P
taking weather out of the equation then, which would burn more?
I am just wondering. I am not really too concerend with calorie burn in itself, just the "science" behind it
The temperature has no bearing on how many calories you burn. You may sweat more, but that's just water weight you're losing and it will come back as soon as you drink a glass of water.
Generally, the distance you travel determines how many calories you burn. If you're walking at a faster pace you will walk a mile more quickly but then you're not exercising as long. If you walk more slowly you are not working as hard (and burning fewer calories per minute) so it will take longer to complete a mile.
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